Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
49730267Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 273
P-1
B1 = 780000
B2 = 780000
LL
StatusDateUserResidueShift
Verified2011-07-12davyFCA044837FEE3DF810309781
Verified2019-09-10arnaudFCA044837FEE3DF832165777
History
DateUserTypeResult
2024-08-15tbusbyNF
no factor from 2^69 to 2^70
2019-09-10arnaudC-LL
FCA044837FEE3DF8
2016-06-10Bruno VictalNF
no factor from 2^72 to 2^73
2015-11-27monstNF
no factor from 2^71 to 2^72
2015-09-21LaurVNF
no factor from 2^70 to 2^71
2015-07-13Architects CubedNF
no factor from 2^69 to 2^70
2011-07-12davyC-LL
FCA044837FEE3DF8
2010-02-12JamesNF-PM1
B1=780000